Zircon - The December Stone

The term Zircon is derived from the Arabic words zar and gun, meaning
gold and color respectively.

One of the birthstones for December, it is
very brilliant and transparent stone available in several lovely colors.
Its brilliance and hardness, make it a one of the desirable gems.

On Mohs Scale
of hardness it’s rated 7.5. Its major sources are Chanthaburi area of
Thailand, Palin area of Cambodia, and the southern part of Vietnam.

Color

It's a well-known mineral that makes an
important gemstone comprising of many colors. Natural variety with good
color and transparency is quite uncommon; while most crystals are opaque
and brownish.

This jewel is found in a wide range of colors like: blue,
yellow, orange, brown, green, colorless, and red (the most prized
color).

The dark brown to black color observed in
most crystals is due iron oxide impurities. The green coloring in many
rounded pebbles usually indicates that the particular stone is of
radioactive variety.

Different Colors

Colorless

Uses

This gemstone was known to ancients as
"hyacinth" and was revered for its many powers like, protection of
travelers from disease and injury. It was especially sought after for
men (for whom it was believed to keep evil spirits and bad dreams away,
give protection against fascination and lightning, strengthen their
bodies, fortify their hearts, restore appetite, suppress fat, produce
sleep and banish grief and sadness from the mind). For women, this gem
was believed to assist them during childbirth.

Nowadays, this jewel with several color forms is used in various forms of jewelry.

Enhancement Techniques

Techniques to enhance color and reduce
the visibility of flaws are frequently used on this stone.
Unfortunately, this gemstone suffers from a strange misconception that
it is a synthetic or man-made stone rather than the lovely natural
creation that it is. Perhaps, this misconception is due to the fact that
they are frequently treated.

These gems are regularly treated to alter
color, as so often seen in the blue and colorless varieties (many might
mistake the colorless form of this gem for diamond because of its
strong brilliance). But, these stones also occur naturally like yellow,
brown, orange and red color. For many years colorless stone was used to
imitate diamonds. However, most of these gemstones, especially the blue
and colorless forms, are enhanced by heat treatment.

Things to Remember

Upon prolonged exposure to sunlight,
color of this stone darkens and its luster becomes dull. However, this
effect can be reversed by giving the stones a second heat treatment.

You need to exercise care because it
is brittle and will chip or abrade easily. For this reason, zircon is
recommended for rings only if, set with a protective bezel setting.

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